///////////////////////////////////////////////////////
//
// SaherElm IT Center MQL5 Library
// -------------------------------------------------
// Name: XCATBEAPOIExtension Lib
// Description: Library for Adding Extensions on
// XCATBEA POI(s) ...
//
//
// Maintainer:
// ------------
// Hadi Khazaee Asl (hadi_khazaee_asl@yahoo.com)
//
//////////////////////////////////////////////////////
//
// Global Properties ...
#property library
#property copyright "Copyright 2023, SaherElm IT Center"
#property link "https://saherelm.ir"
#property version "1.00"
#property description "SaherElm Extensions Library for XCATBEA POI(s)"
#property strict

//
// Imports ...
#include "../Classes/xcatbea.x-poi.detector.class.mq5";

//
// Extensions ...

//
int ExtractPivots(
    XBoxZone &extracted[],
    ENUM_XCATB_PIVOTS type,
    XBoxZone &source[] //
)
{
    //
    int result = 0;

    //
    Clean(extracted);

    //
    bool has =
        IsValid(type) &&
        HasChild(source);
    if (!has)
    {
        return result;
    }

    //
    int count = ArraySize(source);
    for (int i = 0; i < count; i++)
    {
        //
        XBoxZone iBox = source[i];

        //
        ENUM_XCATB_PIVOTS iType = GetPivotType(iBox);

        //
        has = iType == type;
        if (has)
        {
            //
            AddRef(
                iBox,
                extracted //
            );
        }

        //
        iBox.Clean();
    }

    //
    result = ArraySize(extracted);

    //
    return result;
}